1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*****************************************************************************
* pppoe.h - PPP Over Ethernet implementation for lwIP.
*
* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY
*
* 06-01-01 Marc Boucher <marc@mbsi.ca>
* Ported to lwIP.
*****************************************************************************/
/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Martin Husemann <martin@NetBSD.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "netif/ppp/ppp_opts.h"
#if PPP_SUPPORT && PPPOE_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPP_OE_H
#define PPP_OE_H
#include "ppp.h"
#include "lwip/etharp.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct pppoehdr {
PACK_STRUCT_FLD_8(u8_t vertype);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t session);
PACK_STRUCT_FIELD(u16_t plen);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct pppoetag {
PACK_STRUCT_FIELD(u16_t tag);
PACK_STRUCT_FIELD(u16_t len);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define PPPOE_STATE_INITIAL 0
#define PPPOE_STATE_PADI_SENT 1
#define PPPOE_STATE_PADR_SENT 2
#define PPPOE_STATE_SESSION 3
/* passive */
#define PPPOE_STATE_PADO_SENT 1
#define PPPOE_HEADERLEN sizeof(struct pppoehdr)
#define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */
#define PPPOE_TAG_EOL 0x0000 /* end of list */
#define PPPOE_TAG_SNAME 0x0101 /* service name */
#define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */
#define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */
#define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */
#define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */
#define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */
#define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */
#define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */
#define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */
#define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */
#define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */
#define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */
#define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */
#define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */
#ifndef PPPOE_MAX_AC_COOKIE_LEN
#define PPPOE_MAX_AC_COOKIE_LEN 64
#endif
struct pppoe_softc {
struct pppoe_softc *next;
struct netif *sc_ethif; /* ethernet interface we are using */
ppp_pcb *pcb; /* PPP PCB */
struct eth_addr sc_dest; /* hardware address of concentrator */
u16_t sc_session; /* PPPoE session id */
u8_t sc_state; /* discovery phase or session connected */
#ifdef PPPOE_TODO
u8_t *sc_service_name; /* if != NULL: requested name of service */
u8_t *sc_concentrator_name; /* if != NULL: requested concentrator id */
#endif /* PPPOE_TODO */
u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */
u8_t sc_ac_cookie_len; /* length of cookie data */
#ifdef PPPOE_SERVER
u8_t *sc_hunique; /* content of host unique we must echo back */
u8_t sc_hunique_len; /* length of host unique */
#endif
u8_t sc_padi_retried; /* number of PADI retries already done */
u8_t sc_padr_retried; /* number of PADR retries already done */
};
#define pppoe_init() /* compatibility define, no initialization needed */
ppp_pcb *pppoe_create(struct netif *pppif,
struct netif *ethif,
const char *service_name, const char *concentrator_name,
ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
/*
* Functions called from lwIP
* DO NOT CALL FROM lwIP USER APPLICATION.
*/
void pppoe_disc_input(struct netif *netif, struct pbuf *p);
void pppoe_data_input(struct netif *netif, struct pbuf *p);
#ifdef __cplusplus
}
#endif
#endif /* PPP_OE_H */
#endif /* PPP_SUPPORT && PPPOE_SUPPORT */
|
